president obama is scheduled to speak at a grass roots campaign event in fair fax county. so far no details on where or what time the president will appear. the latest polls show him with a lead over mitt romney in virginia. >> mitt romney will spend today preparing for wednesday's debate. he is expected to appear tomorrow and will stay in the city until after the debate. analyst say wednesday is his best chance to help change the polls. romney is running out of time, david gregory joined us onset, and he says wednesday's debate may be romney's only chance to do just that. >> they represent the last big moment to reach sen tens of millions of people at one time. i think it is a last chance to turn the debate around and the campaign around. if they're in a cycle where they're just reacting to events and looking for an angle, it becomes difficult. >> stay tuned for "meet the press" this morning. chris christie will be joining david, you can see it right here on nbc 4. >>> meanwhile, paul ryan will prepare for his own debate in our region. he will hold a three day camp starti